157815420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 288

約数和(自身を含む): 576543744

約数和(自身を除く): 418728324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 23, 28, 30, 31, 34, 35, 42, 46, 51, 60, 62, 68, 69, 70, 84, 85, 92, 93, 102, 105, 115, 119, 124, 138, 140, 155, 161, 170, 186, 204, 210, 217, 230, 238, 255, 276, 310, 322, 340, 345, 357, 372, 391, 420, 434, 460, 465, 476, 483, 510, 527, 595, 620, 644, 651, 690, 713, 714, 782, 805, 868, 930, 961, 966, 1020, 1054, 1085, 1173, 1190, 1302, 1380, 1426, 1428, 1564, 1581, 1610, 1785, 1860, 1922, 1932, 1955, 2108, 2139, 2170, 2346, 2380, 2415, 2604, 2635, 2737, 2852, 2883, 3162, 3220, 3255, 3565, 3570, 3689, 3844, 3910, 4278, 4340, 4692, 4805, 4830, 4991, 5270, 5474, 5766, 5865, 6324, 6510, 6727, 7130, 7140, 7378, 7820, 7905, 8211, 8556, 9610, 9660, 9982, 10540, 10695, 10948, 11067, 11532, 11730, 12121, 13020, 13454, 13685, 14260, 14415, 14756, 14973, 15810, 16337, 16422, 18445, 19220, 19964, 20181, 21390, 22103, 22134, 23460, 24242, 24955, 26908, 27370, 28830, 29946, 31620, 32674, 32844, 33635, 36363, 36890, 40362, 41055, 42780, 44206, 44268, 48484, 49011, 49910, 54740, 55335, 57660, 59892, 60605, 65348, 66309, 67270, 72726, 73780, 74865, 80724, 81685, 82110, 84847, 88412, 98022, 99820, 100905, 110515, 110670, 114359, 121210, 132618, 134540, 145452, 149730, 154721, 163370, 164220, 169694, 181815, 196044, 201810, 221030, 221340, 228718, 242420, 245055, 254541, 265236, 299460, 309442, 326740, 331545, 339388, 343077, 363630, 375751, 403620, 424235, 442060, 457436, 464163, 490110, 509082, 571795, 618884, 663090, 686154, 727260, 751502, 773605, 848470, 928326, 980220, 1018164, 1127253, 1143590, 1272705, 1326180, 1372308, 1503004, 1547210, 1696940, 1715385, 1856652, 1878755, 2254506, 2287180, 2320815, 2545410, 2630257, 3094420, 3430770, 3757510, 4509012, 4641630, 5090820, 5260514, 5636265, 6861540, 7515020, 7890771, 9283260, 10521028, 11272530, 13151285, 15781542, 22545060, 26302570, 31563084, 39453855, 52605140, 78907710, 157815420]

約数ペア:

[(1, 157815420), (2, 78907710), (3, 52605140), (4, 39453855), (5, 31563084), (6, 26302570), (7, 22545060), (10, 15781542), (12, 13151285), (14, 11272530), (15, 10521028), (17, 9283260), (20, 7890771), (21, 7515020), (23, 6861540), (28, 5636265), (30, 5260514), (31, 5090820), (34, 4641630), (35, 4509012), (42, 3757510), (46, 3430770), (51, 3094420), (60, 2630257), (62, 2545410), (68, 2320815), (69, 2287180), (70, 2254506), (84, 1878755), (85, 1856652), (92, 1715385), (93, 1696940), (102, 1547210), (105, 1503004), (115, 1372308), (119, 1326180), (124, 1272705), (138, 1143590), (140, 1127253), (155, 1018164), (161, 980220), (170, 928326), (186, 848470), (204, 773605), (210, 751502), (217, 727260), (230, 686154), (238, 663090), (255, 618884), (276, 571795), (310, 509082), (322, 490110), (340, 464163), (345, 457436), (357, 442060), (372, 424235), (391, 403620), (420, 375751), (434, 363630), (460, 343077), (465, 339388), (476, 331545), (483, 326740), (510, 309442), (527, 299460), (595, 265236), (620, 254541), (644, 245055), (651, 242420), (690, 228718), (713, 221340), (714, 221030), (782, 201810), (805, 196044), (868, 181815), (930, 169694), (961, 164220), (966, 163370), (1020, 154721), (1054, 149730), (1085, 145452), (1173, 134540), (1190, 132618), (1302, 121210), (1380, 114359), (1426, 110670), (1428, 110515), (1564, 100905), (1581, 99820), (1610, 98022), (1785, 88412), (1860, 84847), (1922, 82110), (1932, 81685), (1955, 80724), (2108, 74865), (2139, 73780), (2170, 72726), (2346, 67270), (2380, 66309), (2415, 65348), (2604, 60605), (2635, 59892), (2737, 57660), (2852, 55335), (2883, 54740), (3162, 49910), (3220, 49011), (3255, 48484), (3565, 44268), (3570, 44206), (3689, 42780), (3844, 41055), (3910, 40362), (4278, 36890), (4340, 36363), (4692, 33635), (4805, 32844), (4830, 32674), (4991, 31620), (5270, 29946), (5474, 28830), (5766, 27370), (5865, 26908), (6324, 24955), (6510, 24242), (6727, 23460), (7130, 22134), (7140, 22103), (7378, 21390), (7820, 20181), (7905, 19964), (8211, 19220), (8556, 18445), (9610, 16422), (9660, 16337), (9982, 15810), (10540, 14973), (10695, 14756), (10948, 14415), (11067, 14260), (11532, 13685), (11730, 13454), (12121, 13020)]